drewcassidy/nvidia-texture-tools
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Fix mirror sampling fixes issue 135.

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This commit is contained in:
castano 2010-09-07 18:08:27 +00:00
parent 2a4569f258
commit b6f96418e6
2 changed files with 13 additions and 9 deletions
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3
branches/2.0/ChangeLog
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@ -5,7 +5,8 @@ NVIDIA Texture Tools version 2.0.9
* Improve C# / .NET Wrapper * Improve C# / .NET Wrapper
* Add an XNA Game Studio 3.1 Content Processor to make it easy to utilize NVIDIA Texture Tools in XNA applications. * Add an XNA Game Studio 3.1 Content Processor to make it easy to utilize NVIDIA Texture Tools in XNA applications.
* Fix single color DXT1a compressor. Fixes issue 134. * Fix single color DXT1a compressor. Fixes issue 134.
* Fix mirror sampling. Fixes issue 135.
NVIDIA Texture Tools version 2.0.8 NVIDIA Texture Tools version 2.0.8
* Fix float to fixed image conversion. Patch provided by Alex Pfaffe. Fixes issue 121. * Fix float to fixed image conversion. Patch provided by Alex Pfaffe. Fixes issue 121.
* ColorBlock::isSingleColor compares only RGB channels. Fixes issue 115. * ColorBlock::isSingleColor compares only RGB channels. Fixes issue 115.

19
branches/2.0/src/nvimage/FloatImage.cpp
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@ -32,14 +32,17 @@ namespace
return f - floor(f); return f - floor(f);
} }
static int mirror(int x, int w) static int mirror(int x, int w)
{ {
x = abs(x); if (w == 1) return 0;
while (x >= w) {
x = 2 * w - x - 2; x = abs(x);
} while (x >= w) {
return x; x = abs(w + w - x - 2);
} }
return x;
}
} }